Committee for Inter-American Cooperation Ed. ,// 59 p.

Vida Obrera Ed. ,// 46 p.

Workers Library Publishers Ed. ,// 24 p.

Pioneer Ed. ,// 15 p.

National Committee Unemployed councils Ed. ,// 16 p.

Doubleday, Doran & Company Ed.

Workers International Reliel Ed. ,// 31 p.

Student League for Industrial Democracy Ed. ,// 11 p.

International panpheto Ed. ,// 31 p.